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Sensirion SLQ-QT500 High Purity Liquid Flow Meter

Sensirion SLQ-QT500 High Purity Liquid Flow Meter enables fast, non-invasive measurement of liquids at a flow rate of up to 120ml/min. Dual calibration allows flow monitoring for water-based or hydrocarbon-based liquids. The straight wetted flow path of the SLQ liquid flow meter is made of PFA and Quartz, which ensures measuring aggressive chemicals. The Sensirion SLQ-QT500 flow meter's micro-thermal technology, in combination with the straight and obstacle-free flow path, makes it ideal for high-viscosity liquids.

Features

  • Dual calibration for IPA and H2O
  • Straight flow channel, no moving parts
  • For a wide range of viscosities
  • Inert-wetted materials (PFA, Quartz)
  • High reliability and long-term stability
  • Industry-proven technology with a track record of more than ten years
  • Designed for mass production
  • Low signal noise 

Specifications

  • Liquid flow rates: up to 120ml/min
  • Interface options
    • Digital
      • I2C-Bus
      • RS485-Bus
      • USB cable
    • Analog
      • Voltage output (0-10V)
      • Current output (4-20mA)
      • Additional operation modes
  • Electrical
    • Supply voltage: 3.7VDC Max.
    • Supply current: 6.5mA Max.
    • Power-up time: 25ms
    • Response time: <50ms
    • Temperature range
      • Operating: +5°C to +50°C
      • Storage: -10°C to +60°C
    • Operating humidity: 0-95%, non-condensing
  • Mechanical
    • Dimensions: 59mm x 35mm x 23.2mm
    • Sensor tube inner diameter: ø4.5mm
    • PFA tube
      • Inner diameter: ø4.35mm
      • Outer diameter: ø6.35mm (1/4 inch)
    • Total mass: ~45g
    • Operating pressure: 12 bar (175psi) Max.
    • Rated burst pressure: 30 bar (435psi)
  • Materials
    • Connection tubing: PFA, 1/4 inch, UL 94V-0 flammability
    • Capillary: Quartz, non-flammable
    • Housing: PPS, UL 94V-0 flammability
    • Screws and electrical connector: Stainless steel, non-flammable
    • Cables: Copper (non-flammable), ETFE (UL 94V-0)

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Inilathala: 2019-07-16 | Na-update: 2023-05-09